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The Allen‑Bradley 2711‑K6C16 is a PanelView 600 Series Standard Operator Terminal designed by Allen‑Bradley for industrial automation environments, providing a reliable human‑machine interface (HMI) solution for machine control and monitoring. This compact HMI features a vivid 5‑inch color active matrix TFT display with a 320 × 234 resolution, offering clear visualization of process status, alarms, and operator prompts far beyond the capabilities of monochrome screens. The terminal is equipped with an integrated membrane keypad, including 10 function keys and additional navigation and numeric keys, enabling intuitive manual operator interaction and efficient input of values or system commands.
Communication with controllers and other devices is supported through dual RS‑232 serial interfaces, one implementing the Allen‑Bradley DF1 protocol for control messaging and the other for printer communication or application download, typically using a 2711‑NC14 cable. Designed to fit a variety of installations, the 2711‑K6C16 supports 85–264 VAC power input and carries rugged industrial casing ratings such as NEMA 12/13/4X and IP54/IP65 (front), making it suitable for indoor factory and control panel environments.
Internal memory includes approximately 190 KB of runtime application space with 240 KB of non‑volatile storage for application objects, text, and bitmaps, allowing it to run customized operator displays and logic. Although this model has since been discontinued, it remains widely used in legacy automation systems requiring dependable operator interfacing with PLCs like SLC 500, PLC‑5, and MicroLogix series or similar controllers.





